38 lines
1.7 KiB
MQL5
38 lines
1.7 KiB
MQL5
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//+------------------------------------------------------------------+
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//| 3F.mq5 |
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//| Copyright 2016, MetaQuotes Software Corp. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2016, MetaQuotes Software Corp."
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#property link "https://www.mql5.com"
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#property version "1.00"
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#include <Graphics\Graphic.mqh>
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#define RESULT_OR_NAN(x,expression) ((x==0)?(double)"nan":expression)
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//--- Functions
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double BlueFunction(double x) { return(RESULT_OR_NAN(x,10*x*sin(1/x))); }
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double RedFunction(double x) { return(RESULT_OR_NAN(x,sin(100*x)/sqrt(x))); }
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double OrangeFunction(double x) { return(RESULT_OR_NAN(x,sin(100*x)/sqrt(-x)));}
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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double from=-1.2;
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double to=1.2;
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double step=0.005;
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CGraphic graphic;
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graphic.Create(0,"G",0,30,30,780,380);
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//--- colors
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CColorGenerator generator;
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uint blue= generator.Next();
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uint red = generator.Next();
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uint orange=generator.Next();
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//--- plot all curves
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graphic.CurveAdd(RedFunction,from,to,step,red,CURVE_LINES,"Red");
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graphic.CurveAdd(OrangeFunction,from,to,step,orange,CURVE_LINES,"Orange");
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graphic.CurveAdd(BlueFunction,from,to,step,blue,CURVE_LINES,"Blue");
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graphic.CurvePlotAll();
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graphic.Update();
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}
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//+------------------------------------------------------------------+
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